Hi, On 8/21/18, Sherry Zhang(BJ-RD) <sherryzh...@zhaoxin.com> wrote: > But I have found the USB keyboard module-usb_keyboard.mod that I don't load > , > So why the usb keyboard can be used when I don't load usb modules?
A better question is, why does "module-usb_keyboard.mod" exist in the first place? In theory, GRUB should be able to use whatever the firmware provides to access key presses and shouldn't need a module at all. However, there were a few incredibly dodgy computers (mostly "late 1990s" time frame?) where the firmware expects a PS/2 keyboard and firmware's keyboard support doesn't work with a USB keyboard. GRUB probably provides a "module-usb_keyboard.mod" so that USB keyboards will work properly on these incredibly dodgy computers. Note: I'm not a GRUB developer or anything, I just know how much computers can suck. ;-) - Brendan _______________________________________________ Grub-devel mailing list Grub-devel@gnu.org https://lists.gnu.org/mailman/listinfo/grub-devel